diff options
Diffstat (limited to 'src/pkg/crypto/rc4/rc4_test.go')
| -rw-r--r-- | src/pkg/crypto/rc4/rc4_test.go | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/pkg/crypto/rc4/rc4_test.go b/src/pkg/crypto/rc4/rc4_test.go deleted file mode 100644 index af7988246..000000000 --- a/src/pkg/crypto/rc4/rc4_test.go +++ /dev/null @@ -1,173 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package rc4 - -import ( - "bytes" - "fmt" - "testing" -) - -type rc4Test struct { - key, keystream []byte -} - -var golden = []rc4Test{ - // Test vectors from the original cypherpunk posting of ARC4: - // http://groups.google.com/group/sci.crypt/msg/10a300c9d21afca0?pli=1 - { - []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, - []byte{0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79}, - }, - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a}, - }, - { - []byte{0xef, 0x01, 0x23, 0x45}, - []byte{0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61}, - }, - - // Test vectors from the Wikipedia page: http://en.wikipedia.org/wiki/RC4 - { - []byte{0x4b, 0x65, 0x79}, - []byte{0xeb, 0x9f, 0x77, 0x81, 0xb7, 0x34, 0xca, 0x72, 0xa7, 0x19}, - }, - { - []byte{0x57, 0x69, 0x6b, 0x69}, - []byte{0x60, 0x44, 0xdb, 0x6d, 0x41, 0xb7}, - }, - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{ - 0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a, - 0x8a, 0x06, 0x1e, 0x67, 0x57, 0x6e, 0x92, 0x6d, - 0xc7, 0x1a, 0x7f, 0xa3, 0xf0, 0xcc, 0xeb, 0x97, - 0x45, 0x2b, 0x4d, 0x32, 0x27, 0x96, 0x5f, 0x9e, - 0xa8, 0xcc, 0x75, 0x07, 0x6d, 0x9f, 0xb9, 0xc5, - 0x41, 0x7a, 0xa5, 0xcb, 0x30, 0xfc, 0x22, 0x19, - 0x8b, 0x34, 0x98, 0x2d, 0xbb, 0x62, 0x9e, 0xc0, - 0x4b, 0x4f, 0x8b, 0x05, 0xa0, 0x71, 0x08, 0x50, - 0x92, 0xa0, 0xc3, 0x58, 0x4a, 0x48, 0xe4, 0xa3, - 0x0a, 0x39, 0x7b, 0x8a, 0xcd, 0x1d, 0x00, 0x9e, - 0xc8, 0x7d, 0x68, 0x11, 0xf2, 0x2c, 0xf4, 0x9c, - 0xa3, 0xe5, 0x93, 0x54, 0xb9, 0x45, 0x15, 0x35, - 0xa2, 0x18, 0x7a, 0x86, 0x42, 0x6c, 0xca, 0x7d, - 0x5e, 0x82, 0x3e, 0xba, 0x00, 0x44, 0x12, 0x67, - 0x12, 0x57, 0xb8, 0xd8, 0x60, 0xae, 0x4c, 0xbd, - 0x4c, 0x49, 0x06, 0xbb, 0xc5, 0x35, 0xef, 0xe1, - 0x58, 0x7f, 0x08, 0xdb, 0x33, 0x95, 0x5c, 0xdb, - 0xcb, 0xad, 0x9b, 0x10, 0xf5, 0x3f, 0xc4, 0xe5, - 0x2c, 0x59, 0x15, 0x65, 0x51, 0x84, 0x87, 0xfe, - 0x08, 0x4d, 0x0e, 0x3f, 0x03, 0xde, 0xbc, 0xc9, - 0xda, 0x1c, 0xe9, 0x0d, 0x08, 0x5c, 0x2d, 0x8a, - 0x19, 0xd8, 0x37, 0x30, 0x86, 0x16, 0x36, 0x92, - 0x14, 0x2b, 0xd8, 0xfc, 0x5d, 0x7a, 0x73, 0x49, - 0x6a, 0x8e, 0x59, 0xee, 0x7e, 0xcf, 0x6b, 0x94, - 0x06, 0x63, 0xf4, 0xa6, 0xbe, 0xe6, 0x5b, 0xd2, - 0xc8, 0x5c, 0x46, 0x98, 0x6c, 0x1b, 0xef, 0x34, - 0x90, 0xd3, 0x7b, 0x38, 0xda, 0x85, 0xd3, 0x2e, - 0x97, 0x39, 0xcb, 0x23, 0x4a, 0x2b, 0xe7, 0x40, - }, - }, -} - -func testEncrypt(t *testing.T, desc string, c *Cipher, src, expect []byte) { - dst := make([]byte, len(src)) - c.XORKeyStream(dst, src) - for i, v := range dst { - if v != expect[i] { - t.Fatalf("%s: mismatch at byte %d:\nhave %x\nwant %x", desc, i, dst, expect) - } - } -} - -func TestGolden(t *testing.T) { - for gi, g := range golden { - data := make([]byte, len(g.keystream)) - for i := range data { - data[i] = byte(i) - } - - expect := make([]byte, len(g.keystream)) - for i := range expect { - expect[i] = byte(i) ^ g.keystream[i] - } - - for size := 1; size <= len(g.keystream); size++ { - c, err := NewCipher(g.key) - if err != nil { - t.Fatalf("#%d: NewCipher: %v", gi, err) - } - - off := 0 - for off < len(g.keystream) { - n := len(g.keystream) - off - if n > size { - n = size - } - desc := fmt.Sprintf("#%d@[%d:%d]", gi, off, off+n) - testEncrypt(t, desc, c, data[off:off+n], expect[off:off+n]) - off += n - } - } - } -} - -func TestBlock(t *testing.T) { - testBlock(t, (*Cipher).XORKeyStream) -} - -// Test the pure Go version. -// Because we have assembly for amd64, 386, and arm, this prevents -// bitrot of the reference implementations. -func TestBlockGeneric(t *testing.T) { - testBlock(t, (*Cipher).xorKeyStreamGeneric) -} - -func testBlock(t *testing.T, xor func(c *Cipher, dst, src []byte)) { - c1a, _ := NewCipher(golden[0].key) - c1b, _ := NewCipher(golden[1].key) - data1 := make([]byte, 1<<20) - for i := range data1 { - xor(c1a, data1[i:i+1], data1[i:i+1]) - xor(c1b, data1[i:i+1], data1[i:i+1]) - } - - c2a, _ := NewCipher(golden[0].key) - c2b, _ := NewCipher(golden[1].key) - data2 := make([]byte, 1<<20) - xor(c2a, data2, data2) - xor(c2b, data2, data2) - - if !bytes.Equal(data1, data2) { - t.Fatalf("bad block") - } -} - -func benchmark(b *testing.B, size int64) { - buf := make([]byte, size) - c, err := NewCipher(golden[0].key) - if err != nil { - panic(err) - } - b.SetBytes(size) - - for i := 0; i < b.N; i++ { - c.XORKeyStream(buf, buf) - } -} - -func BenchmarkRC4_128(b *testing.B) { - benchmark(b, 128) -} - -func BenchmarkRC4_1K(b *testing.B) { - benchmark(b, 1024) -} - -func BenchmarkRC4_8K(b *testing.B) { - benchmark(b, 8096) -} |